<template>
  <div class="box">
    <h3>这是通用样式</h3>
    <slot/>
    <h3>这是底部样式</h3>
  </div>
  <div class="box"></div>
</template>
<script>
export default {
  name: 'NbBox'
}
</script>
<style>
  .box{
    background-color: #ccc;
    width: 100px;
    height: 100px;
  }
</style>
